After being asked this was my reply
My mother-in-law answered an advert in the Norfolk History Society magazine.
She has a lot of information put together in the 1970 by her Uncle which included several stories passed down thru her family.
I also applied as I have almost proved a link between my Gt-Grandfather and the Hanover dynasty.
After several e-mails and telephone calls the Producers Emma & Jemma came down and spent about a hour talking to the family.They took copies of what we had and about six months later came down again, this time with a camera and " interviewed".
About a month after that we were told that we were on a short list re Earls of Northumberland (but not Hanovers and Victoria) and about a month later asked when and if and when we could be available. As my Mother-in Law is in here 70's she decided that she would not be able to cope with the traveling, so My wife my youngest daughter and myself were chosen
As to why we were chosen I think will become obvious when you see the places, the people, the legends.the truth and the story..............
As far as i know there are no plans for another series, this one took over 18 months from start to finish which is apparently a lifetime for a TV program
